# #9

- **MSHA mine ID:** 1516908
- **Status:** Abandoned and Sealed
- **Type / commodity:** Underground / Coal (Bituminous)
- **Location:** Letcher, KY
- **Operator:** Simpson Mining Company,  Inc
- **Controller:** Harold K  Simpson
- **Public source rows linked:** 567
- **Source coverage:** 11 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Harold K  Simpson (C09689) → Simpson Mining Company,  Inc (P19140) → #9 (1516908)**

Current identity source: `msha-mines`. This is a current snapshot, not a historical claim.

## Controller and operator valid-time history

- **Clayton V  Roberts → Bearpen Collieries Inc:** 1990-06-01 through 2001-04-23; derived from co-tenure at mine 1516908; source `msha-controller-operator-history`.
- **Harold K  Simpson → Simpson Mining Company,  Inc:** 2001-04-24 through current/open; derived from co-tenure at mine 1516908; source `msha-controller-operator-history`.

- History rows: 2
- Typed edges: 6
- Interval anomalies: 0
- Valid-time bounds: inclusive; date granularity; null end means open-ended in the upstream history row; not independent proof of present control.
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 0 historical accident/injury rows; 0 coded fatalities and 0 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 206 violation rows across the full record; 93 carry an S&S flag and $139,849 appears in current assessed amounts.
3. **HEALTH — 124 samples:** Occupational health samples 104 coal dust; 10 coal quartz; 10 noise. 0 personal-sample rows have a published C/E ratio above 1; 2 noise rows have an action-level or PEL dose above 100%. These are separate measures, not a silica exceedance count. Silica results and sample status are shown separately.
4. **PRODUCTION — 0 tons:** Quarterly production and employment 0 employee hours and 0 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 0 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 0 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 0 linked entities:** Contractors Contractors are linked through this mine’s violation or accident records. Their production and hours cover all their operations, so they are not included in this mine’s totals.
7. **INSPECTIONS — 0 since 2021:** Inspections 24 inspection events and 1K published inspection hours across the historical record.

## EIA annual operating context

No matched record in the 2024 EIA coal-public workbook. This may be inapplicable for a non-coal operation.

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 75.1711-3 — Openings of active mines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1711-3
- **30 CFR 75.1702 — Smoking; prohibition.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1702
- **30 CFR 75.1107-4 — Automatic fire sensors and manual actuators; installation; minimum requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1107-4
- **30 CFR 75.370 — Mine ventilation plan; submission and approval.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.370
- **30 CFR 75.400 — Accumulation of combustible materials.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-E/section-75.400
- **30 CFR 75.360 — Preshift examination at fixed intervals.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-D/section-75.360
- **30 CFR 75.512 — Electric equipment; examination, testing and maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.512
- **30 CFR 75.1101 — Deluge-type water sprays, foam generators; main and secondary belt-conveyor drives.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1101

## Source coverage

- **Addresses of Record:** 1 rows; 2004-07-07 through 2004-07-07; source ID `msha-addresses`
- **Assessed Violations:** 198 rows; 2001-08-28 through 2003-04-22; source ID `msha-assessed-violations`
- **Coal Dust Samples:** 104 rows; 2001-08-21 through 2002-12-23; source ID `msha-coal-dust-samples`
- **Controller and Operator History:** 2 rows; 1990-06-01 through 2001-04-24; source ID `msha-controller-operator-history`
- **Inspections:** 24 rows; 2001-05-10 through 2003-05-05; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 9 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 2 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 10 rows; 2001-09-04 through 2002-04-11; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 10 rows; 2001-11-15 through 2002-04-11; source ID `msha-quartz-samples`
- **Violations:** 206 rows; 2001-08-28 through 2003-04-22; source ID `msha-violations`

## Caveats

- This is public-record decision support, not legal advice or an official MSHA record.
- Missing data can indicate no event, publication delay, an unresolved identity, or inapplicability.
- Contractor production data is entity-level and is not attributed to this mine.

## Alternate representations

- HTML: `/mines/9-1516908`
- JSON: `/api/v1/mines/9-1516908`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1516908/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1516908/relationships`
- MCP resource: `mine://1516908/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`